I'm using the following Maven artifact:

<dependency>
  <groupId>com.github.javafaker</groupId>
  <artifactId>javafaker</artifactId>
  <version>0.2</version>
</dependency>

And instancing com.github.javafaker.Faker by obviously doing: Faker faker = new Faker();

I got the following exception:

java.lang.NullPointerException
    java.io.Reader.<init>(Reader.java:78)
    java.io.InputStreamReader.<init>(InputStreamReader.java:97)
    org.ho.yaml.YamlDecoder.<init>(Unknown Source)
    org.ho.yaml.YamlConfig.load(Unknown Source)
    org.ho.yaml.Yaml.load(Unknown Source)
    com.github.javafaker.Faker.<init>(Faker.java:41)
    com.github.javafaker.Faker.<init>(Faker.java:35)

Is there something I'm missing?

new Faker(Locale.GERMAN).university().name(); fails with:

java.lang.RuntimeException: Can't find top level faker object named City.
    at com.github.javafaker.service.FakeValuesService.resolveFakerObjectAndMethod(FakeValuesService.java:456)
    at com.github.javafaker.service.FakeValuesService.resolveExpression(FakeValuesService.java:407)
    at com.github.javafaker.service.FakeValuesService.resolveExpression(FakeValuesService.java:362)
    at com.github.javafaker.service.FakeValuesService.resolve(FakeValuesService.java:319)
    at com.github.javafaker.University.name(University.java:11)

I believe this is a general problem.

In https://github.com/DiUS/java-faker/commit/f574317642a820fc24eef51a1a1fbafa02db2043 the resolution of variables in the yml files was changed, e.g. "#{PhoneNumber.area_code}-#{PhoneNumber.exchange_code}-#{PhoneNumber.subscriber_number}" was replaced by "#{area_code}-#{exchange_code}-#{subscriber_number}", but this change was only done in en-US.yml.

In my opinion this change should be reverted, because it means that java-faker can no longer use the yml files from faker.

Either use real-world data like https://pypi.org/project/fake-useragent/ or use snapshot cache like https://github.com/mkstayalive/random-user-agent-java

I guess it is better to replace words.subList(0, num) with new ArrayList(words.subList(0, num)) in

public List<String> words(int num) {
    List<String> words = (List<String>) fetchObject("lorem.words");
    Collections.shuffle(words);
    return words.subList(0, num);
}

and similar to it. Because there are cases when we have such exception:

java.io.NotSerializableException: java.util.ArrayList$SubList

Because ArrayList$SubList does not implement Serializable. In this way, user has to wrap fake string list with ArrayList manually. And code looks like the following:

new ArrayList<>(faker.words(3))

I understand, that fake data is mostly read-only and is not serialized often.

What do you think about it?

Hi, after upgrading from 0.16 to 0.17 I get a NullPointerException when I do new Faker()

java.lang.NullPointerException
	at com.github.javafaker.service.FakeValuesService.<init>(FakeValuesService.java:74)
	at com.github.javafaker.Faker.<init>(Faker.java:101)
	at com.github.javafaker.Faker.<init>(Faker.java:92)
	at com.github.javafaker.Faker.<init>(Faker.java:88)

Anything I missed for upgrading to the new version?

Problem I want a faker that generates vehicle data such as:

• Make
• Model
• Year
• VIN
• Mileage

Solution

• Implement the missing Vehicle class
• .yml file already exists

Additional Details

It appears that the work for this was done in PR #436 but is not in master. Is this a mistake? In a future release? or was there a decision to remove this?

Hi!

Thanks for java-faker, saved me some time writing tests this past week.

I think GregorianCalendar's month is 0-based, and in the birthday faker it would result in an error?

This pull request changes the value from 12 to 11. Also removed the unnecessary canonical name for java.util.Date which was already imported.

Thanks again Bruno

Generally speaking, the main artifact for a library should NOT include dependencies. This can cause issues in larger projects where the shaded classes may cause duplicate classes.

A better option is to publish an unshaded jar by default and add another jar identified by a classifier like 'deps'.

It's a little odd because this shaded jar ONLY contains the snake-yaml dependency and nothing else, yet there are plenty of other dependencies.

Would you guys be open to publishing the shaded jar with a deps ?

I'm using Logback in my app.

But Logback is not picked up because SLF4J sees that there are both slf4j-simple (added by java-faker) and Logback, and SLF4J selects slf4j-simple.

SLF4J: Class path contains multiple SLF4J bindings.
SLF4J: Found binding in [jar:file:/home/jan/app/lib/slf4j-simple-1.6.1.jar!/org/slf4j/impl/StaticLoggerBinder.class]
SLF4J: Found binding in [jar:file:/home/jan/app/lib/logback-classic-1.1.2.jar!/org/slf4j/impl/StaticLoggerBinder.class]
SLF4J: See http://www.slf4j.org/codes.html#multiple_bindings for an explanation.
SLF4J: Actual binding is of type [org.slf4j.impl.SimpleLoggerFactory]

I guess slf4j-simple is added by java-faker not on purpose, so please remove it.

This adds new classes and tests for:

• DragonBall
• FunnyName
• HitchhikersGuideToTheGalaxy
• Hobbit
• HowIMetYourMother
• LeagueOfLegends
• Overwatch
• Robin
• StarTrek

Hi

I have cloned the repo and trying to use the same in my project by doing below changes in pom.xml (as per the version of the cloned code):-

com.github.javafaker javafaker 0.13-SNAPSHOT

But, I am getting below error on doing:- Faker faker = new Faker(new Locale("en-IND"));

java.lang.NoSuchMethodError: org.yaml.snakeyaml.Yaml.loadAs(Ljava/io/InputStream;Ljava/lang/Class;)Ljava/lang/Object;
	at com.github.javafaker.service.FakeValuesService.fakerFromStream(FakeValuesService.java:99)
	at com.github.javafaker.service.FakeValuesService.<init>(FakeValuesService.java:67)
	at com.github.javafaker.Faker.<init>(Faker.java:71)
	at com.github.javafaker.Faker.<init>(Faker.java:62)

Please suggest.

Describe the bug Some generated credit card numbers for CreditCardType.VISA and CreditCardType.DISCOVER are wrong

To Reproduce

repeat(1000) {
    val creditCard = Faker.instance().finance().creditCard(CreditCardType.DISCOVER).replace("-", "")
    if (creditCard.length == 20 || creditCard.length == 13) {
        println(creditCard)
    }
}

Expected behavior

• Discover PAN should have a length of 16-19, not 20
• Visa PAN should have a length of 16-19, not 13

Versions:

• OS: OSX
• JDK 17
• Faker Version 1.0.2

To Reproduce

Faker faker = new Faker(Locale.CHINA);
System.out.println(faker.name().name());
System.out.println(faker.job().field());
System.out.println(faker.job().position());
System.out.println(faker.job().title());

this is result.

Versions:

• OS: windows
• JDK 1.8
• Faker Version 1.0.2

In some cases it's possible to have MD5 hash (and possibly other as well) with the first byte set to 0. In this case it gets removed, while converting to BigInteger and the hex string has 31 characters. To make sure that it works as expected, we need to guarantee proper padding.

Problem: Some email addresses contain single quote characters. I'd like to test that my software can handle them properly.

Solution: Include the single quotes in the email addresses generated by faker.internet().emailAddress()

name: Add Garments Sizes Faker about: new feature to use Garments Sizes. see example: XS, S, M, L, XL, XXL, XXXL title: 'Garments Sizes' labels: 'Garments Sizes' assignees: ''

Is your feature request related to a problem? Please describe. No, is just a feature.

Describe the solution you'd like None.

Describe alternatives you've considered None.

Additional context None.